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#!/bin/bash
# test rule replacement
set -e
# show rules, drop uninteresting policy settings
ipt_show() {
$XT_MULTI iptables -S | grep -v '^-P'
}
$XT_MULTI iptables -A FORWARD -m comment --comment "rule 1" -j ACCEPT
$XT_MULTI iptables -A FORWARD -m comment --comment "rule 2" -j ACCEPT
$XT_MULTI iptables -A FORWARD -m comment --comment "rule 3" -j ACCEPT
$XT_MULTI iptables -R FORWARD 2 -m comment --comment "replaced 2" -j ACCEPT
EXPECT='-A FORWARD -m comment --comment "rule 1" -j ACCEPT
-A FORWARD -m comment --comment "replaced 2" -j ACCEPT
-A FORWARD -m comment --comment "rule 3" -j ACCEPT'
diff -u -Z <(echo -e "$EXPECT") <(ipt_show)
$XT_MULTI iptables -R FORWARD 1 -m comment --comment "replaced 1" -j ACCEPT
EXPECT='-A FORWARD -m comment --comment "replaced 1" -j ACCEPT
-A FORWARD -m comment --comment "replaced 2" -j ACCEPT
-A FORWARD -m comment --comment "rule 3" -j ACCEPT'
diff -u -Z <(echo -e "$EXPECT") <(ipt_show)
$XT_MULTI iptables -R FORWARD 3 -m comment --comment "replaced 3" -j ACCEPT
EXPECT='-A FORWARD -m comment --comment "replaced 1" -j ACCEPT
-A FORWARD -m comment --comment "replaced 2" -j ACCEPT
-A FORWARD -m comment --comment "replaced 3" -j ACCEPT'
diff -u -Z <(echo -e "$EXPECT") <(ipt_show)
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